rank

Rank of matrix.

Syntax

• r = rank(A)
• r = rank(A, tol)

Input argument

• A - matrix: double or single
• tol - tolerance

Output argument

• r - a numeric value: a scalar.

Description

rank(A) returns the number of linearly independent columns in a matrix (rank of the matrix).

Example

X = rand(10, 10);
r = rank(X)

See also

svd.

History

Author

Allan CORNET